AA4397 CHS → DCA
American Airlines · Charleston, SC to Washington, DC · 72 flights observed, 2026-01-06 to 2026-05-20 · 444 mi
AA4397 covers more than one route in the data window — the stats below are for CHS → DCA, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
68%
Median delay
+4 min
90th percentile
+52 min
Cancellation rate
4%
How often is AA4397 on time?
Across 72 flights on CHS → DCA from 2026-01-06 to 2026-05-20, AA4397 arrived within 15 minutes of schedule 68% of the time. The median arrival delay was +4 min, and the worst 10% of flights arrived +52 min or later. 4% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 47 | 68% |
| 16-30 min | 6 | 9% |
| 31-60 min | 10 | 14% |
| 61-120 min | 5 | 7% |
| 2+ hrs | 1 | 1% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-01 | 23 | 57% | +18 min |
| 2026-02 | 11 | 55% | +23 min |
| 2026-04 | 20 | 85% | +4 min |
| 2026-05 | 15 | 73% | +12 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 10 | 60% |
| Tue | 13 | 85% |
| Wed | 13 | 69% |
| Thu | 10 | 50% |
| Fri | 10 | 80% |
| Sat | 4 | 50% |
| Sun | 9 | 67% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…